Which of the following statements are true? {i} The line integral I : fa F03, y) + {it of the vector field F : (32:2, 3y2), where C is the curve given by r(t) = (t(1 f),si11(7rt)), O E f E 1, is equal 0; (ii) f6 f(:c,y, z)ds, where f is a continuous function and C : r 2 t), a E t S b is a smooth curve, does not depend on the parametrization of then curve C; {iii} IC f($, y,z)d.s = If: ay, z)ds; (iv) If F($,y) =